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在生产实践中发现引起催产亲鱼死亡的主要原因2个方面:一是亲鱼在产卵生殖过程中体力消耗大,加催产药物的副作用,使亲鱼机体抵抗能力下降,如果鱼受伤严重,各种病原体会趁机侵染鱼体,引发疾病,导亲鱼死亡;二是亲鱼的体质差,性腺发育状况欠佳,或催产时水温变化幅度较大,以及催产
In the production practice, it is found that there are two main causes of the death of the progeny broodstock: one is the side effects of the broodstock during oviposition and reproductive process and the decrease of the resistance of the broodstock. If the fish is severely injured, all kinds of pathogens Will take the opportunity to infect the fish, causing disease, leading to the death of the broodstock; Second, broodstock poor body constitution, poor gonadal development, or water temperature during oxytocin greater changes, and oxytocin